MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8658d410a983457a4b8695ec47eeb1d777c967e5227f4c7784b7c308570c6449. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
FormBook
Vendor detections: 8
| SHA256 hash: | 8658d410a983457a4b8695ec47eeb1d777c967e5227f4c7784b7c308570c6449 |
|---|---|
| SHA3-384 hash: | 95d456dd14b97ccd0cda0bc7bc02a8ea2a97556245948346a8e9ae60e410a8802620ea414efda8597ced0877f31c942b |
| SHA1 hash: | e639fe084bb1a77e5831c7623820bc9e0452286d |
| MD5 hash: | efaff50ed67db9ff189f0be0c30773fd |
| humanhash: | avocado-lithium-harry-missouri |
| File name: | SecuriteInfo.com.Trojan.PWS.Siggen2.52692.14919.6961 |
| Download: | download sample |
| Signature | FormBook |
| File size: | 499'712 bytes |
| First seen: | 2020-07-29 07:52:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:HhHVKydioB5/Kzk7VZkVzJQ42m+2vwLbgmC8M1SqlZs6OElldx3CoZj5DhSFMb6W:BHVKjPk76zD2bRQMMY6O6NjjrQSf |
| Threatray | 4'958 similar samples on MalwareBazaar |
| TLSH | 43B4BE0052A45B1FD76786B87027D0B01227E099EB62EE3B4D8FE09719E26FD79C3563 |
| Reporter |  SecuriteInfoCom |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Detected FormBook malware
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-28 20:54:01 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'948 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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